The woman was the fourth pedestrian to be fatally struck in San Diego County since Saturday.

The woman was crossing Bernardo Heights Parkway near Pomerado Road about 6 p.m. when she was hit by the vehicle, San Diego police said. Paramedics were summoned, but the woman died on the road. Her identity will not be made public until her family can be notified about the death.

At least one traffic lane is closed on Bernardo Heights Parkway as officers investigate the crash.

On Saturday night, Cydil Deann Kohlmeyer, 35, of El Cajon was struck and killed while walking in an unincorporated area in El Cajon.

On Monday morning, Kristen Ann Bedard, a 36-year-old single mother from Poway, was hit and killed while walking in Poway.

On Tuesday, a man in a wheelchair was struck and killed while crossing a road in Santee. He has been identified as Hector Villasenor, 60, of Santee, the Sheriff's Department said.